“RF Loss” is the topic of the latest (May 10) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like!
Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, Joel Hallas, W1ZR, will discuss a broad range of technical topics. You can also e-mail your questions to doctor@arrl.org, and the Doctor may answer them in a future podcast.
Enjoy “ARRL The Doctor is In” on Apple iTunes, or by using your iPhone or iPad podcast app (just search for “ARRL The Doctor is In”). You can also listen online at Blubrry, or at Stitcher (free registration required, or browse the site as a guest) and through the free Stitcher app for iOS, Kindle, or Android devices. If you’ve never listened to a podcast before, download our beginner’s guide.
VHF
Baofeng For Dummies: UV5R+ HAM Radio Tutorial
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WRC-19: request to support 50MHz
As the run-up to WRC-19 gathers pace, the UK Six Metre Group has also written to Ofcom in support of a positive approach to Agenda Item 1.1 concerning... Read more
Yaesu FT-2980R 80W 2M FM Mobile Transceiver
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Alinco DJ-MD5 Dual Band DMR HT Radio
“Finally one of the “Big 4” manufacturers is making a DMR Radio for Amateur Use. Alinco has done a good job of taking a radio and ad... Read more
Yaesu FTM-7250DR – Overview – Features – Specification
Yaesu FTM-7250DR C4FM/FM 50W 144/ 430MHz Digital AMS The new Yaesu FTM-7250DR is a compact and ruggedly built C4FM/FM 144/430MHz Dual Band 50W Transc... Read more
The ARRL Repeater Directory (Pocket-size)
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Review
Unboxing the TYT MD-UV380/390 Dual Band DMR HT
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Measures The Loss In Coax Connectors and 100 Feet of RG8X by W6LG
Jim W6LG uses a signal generator and a panadapter to measure the loss in 30 coax connectors at 14 and 52 mhz down to a fraction of a db. You might be... Read more
FT8, Scope Kit , Pi Zero W : AmateurLogic 107
Peter operates the new FT8 Digital Mode from Joe Taylor. Tommy builds the DSO138 Scope Kit. George discusses the Raspberry Pi Zero W. Wayne build an A... Read more
Baofeng Radioddity UV-5RX3 [ PART1 ]
UV-5RX3 Baofeng Radioddity Radioddity has partnered with Baofeng to create the model UV-5RX3 ham radio handheld, covering the 2-meter (144-148 MHz), 1... Read more
Raspberry Pi 3 projects for Ham Radio with 7 inches touchscreen
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Equipment
Daiwa SWR & POWER METER CN-101L
Daiwa SWR & POWER METER CN-101L FREQUENCY:1.8~200MHz POWER RANGE:15/150/1500W INPUT CONNECTORS :M SWR and Power indicators are insta... Read more
RigExpert WTI-1 – Wireless Transceiver Interface
RigExpert WTI-1 is a revolutionary new device to interface your transceiver to your computer wirelessly. It provides: Transceiver audio interface Anal... Read more
VisAir – HF DSP Transceiver Standalone DDC DUC
Microprocessor-based data processing. A distinctive feature of the transceiver is the modern technology of processing data in DSP and output informati... Read more
UNIDEN UBCD3600XLT DIGITAL SCANNER RECEIVER 25-1300MHz
UNIDEN UBCD3600XLT FEATURES, FUNCTIONS AND SPECIFICATIONS: • Favorites Scan – Allows you to organize your Systems into Favorites Lists. The scanner wi... Read more
Radiosport RS55SL SuperLight Travel Headset
Travel headset The newest edition headset from Radiosport – The SuperLIght Flex Boom-Mic headset. The perfect companion for your SmartPhone, T... Read more
App - Mobile
EchoLink for iOS version 2.6.14 is now available
EchoLink for iOS version 2.6.14 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS devices.... Read more
Updated Android Digital QST App Now Available
A completely rebuilt digital QST app for the Android platform now is available from publisher Nxtbook Media, which responded to readers’ frustrations... Read more
WSPR World Watch v2 – Andorid APP – Propagation Tool
This app answers the two basic questions facing radio amateurs:- Which band shall I use ? Where shall I point my beam ? It will be of interest to an... Read more
Ham radio Foundation course for iOS and Android
The Australian Radio & Electronics School (RES) has made available a free 2-3 day amateur radio Foundation licence course App for Apple and Androi... Read more
RUMlogNG2Go for iOS version 3.5.2 now available
Thomas Lindner, DL2RUM, is happy to announce the availability of version 3.5.2 of his RUMlogNG2Go logger for the iPhone and iPad. RUMlogNG2Go can be ... Read more
Tutorial – Using the new routing function in RT Systems featuring RFinder
Once again RFinder and RT Systems have partnered to kick radio programming up a notch. This tutorial will show you how to get the most o... Read more